Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — 1, 2 and 3
Concept & Option Breakdown
Standard Reference VerifiedStatement 1 is correct: Equatorial rainforests feature distinct multi-layered stratification with tall trees (30–45 m) creating a dense, continuous upper canopy that intercepts sunlight. Statement 2 is correct: Equatorial forests harbor the highest biodiversity of any terrestrial ecosystem, with hundreds of tree and animal species coexisting in small geographic areas. Statement 3 is correct: Due to abundant warmth, moisture, and high tree structures, epiphytes (such as orchids, bromeliads, mosses) flourish widely on branches and trunks.
All three statements represent fundamental, non-contradictory botanical traits of tropical rainforest ecosystems.
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